2 years ago

John used 3.75 gallons of paint to cover 431.25 square feet of wall. How much wall did he cover with each gallon?

Mathematics

1 answer:

Basile [38]2 years ago

5 0

115 square feet per gallon.

You might be interested in

Evaluate the expression for the given value of the variable. |4b-8|+|-1-b^2|+2b^3;b=2

Elena-2011 [213]

In this question we already know the value of 'b' so put the value b=2 in the equation

=|4(2)-8| + |-1-(2)^2| + 2(2)^3

=|8-8| + |-1-4| + 2(8)

=0 -5 +16

=11

4 0

3 years ago

What is the solution to log2(2x^3-8)-2log2(x)=log2(x)

Charra [1.4K]

$\bf \textit{Logarithm of rationals}
\\\\
log_a\left( \frac{x}{y}\right)\implies log_a(x)-log_a(y)
\\\\\\
\textit{Logarithm of exponentials}
\\\\
log_a\left( x^b \right)\implies b\cdot log_a(x)\\\\
-------------------------------$

$\bf log_2(2x^3-8)-2log_2(x)=log_2(x)
\\\\\\
log_2(2x^3-8)-log_2(x^2)=log_2(x)\implies log_2\left( \cfrac{2x^3-8}{x^2} \right)=log_2(x)
\\\\\\
\textit{since both sides are getting }log_2\textit{ we can simply undo that}
\\\\\\
\cfrac{2x^3-8}{x^2}=x\implies 2x^3-8=x^3\implies x^3-8=0
\\\\\\
x^3=8\implies x=\sqrt[3]{8}\implies x=2$

5 0

2 years ago

Read 2 more answers

david, another student in the classdecides to sell hot chocolate for $0.75 per cup. He began to record his earnings below. the t

Fed [463]

Answer: $787

Step-by-step explanation:

4 0

2 years ago

What is the value of x? (х + 40) (3x) R 35 оооо 60 70

Lelu [443]

Answer: